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20 Cards in this Set
- Front
- Back
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Define reticulocyte.
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Immature erythrocytes that contain ribosomal material that is lost as the cell matures.
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Why do we do a reticulocyte count?
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method for quantitating a regenerative response
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Which is the traditional stain for the reticulocyte count.
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New Methlyene Blue
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Feline reticulocytes come in 2 varieties:
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punctate and aggregate
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Canine reticulocytes are almost always
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aggregate
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Which is NOT counted in the retic count of the feline.
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Punctate
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True or False: The retic count is performed on oil but a suitable viewing area is found on high power.
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TRUE
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How many RBCs are counted when completing a reticulocyte count?
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1000, 10 fields of 100 RBCs
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What is the observed retic count if we saw 32 retics per 1000 RBCs
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3.2%
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What would the absolute retic count be with a dog that has a RBC count of 4.0 (106/mm3) and an observed retic count of 3.2% (prior to changing to percentage= 0.032)
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128,000/microliters
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How many reticulocytes are present in this picture?
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2
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What is the purpose of performing a reticulocyte count?
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access response of the bone marrow to the anemia
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What would be your criteria for performing a retic count?
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low PCV, normal TP
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What is maturation sequence of a reticulocyte?
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Rubriblast, Prorubricyte, Basophillic rubricyte, Polychromatophillic rubricyte, Metarubricyte, Reticulocyte.
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What type of tube should blood be collected in to complete a retic count?
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EDTA (purple tube)
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What would the reticulocyte count be in dogs and cats to indicate regenerative anemia?
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Dogs: >60,000/microliter
Cats: >50,000/microliter |
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Would this be considered a proper area to count your retics.
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Yes.
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What would a retic be called under diff-quik stain?
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macrocytic polychromatic rbc
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Your dog has a 23% PCV, and you counted 84 retics. What would be the corrected retic count for this animal?
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4.3%
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Which species of animal does not have circulating retics?
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Horse
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